var reverter = new RevertToAppPool();
try
{
    reverter.UseAppPoolIdentity();
}
finally
{
    reverter.ReturnToImpersonatingCurrentUser();
}

SPListItem item = properties.ListItem;
 
SPFieldUser userField = (SPFieldUser)item.Fields.GetField("Customer");
SPFieldUserValue fieldValue = (SPFieldUserValue)userField.GetFieldValue(item[userField.ID].ToString());
string customerEmail = fieldValue.User.Email;

Sol Reqs:
.NET 3.5
x64
Add Ref: Microsoft.SharePoint assembly 
 
// Applying a template to a new site
Site Actions –> New Site. You'll find your Site Template in the list of Installed Items, in the All Categories or Blank & Custom filters.
 
//  how to upgrade the content database - after applying SP1
C:\Program Files\Common Files\Microsoft Shared\Web ServerExtensions\14\bin\psconfig.exe –cmd upgrade

Get-Process | Where-Object {$_.ProcessName -like "w*"}
 
Table 1-4. Commonly Used Windows PowerShell Comparison Operators
 
Operator    Purpose
-lt    Less than
-le    Less than or equal to
-gt    Greater than
-ge    Greater than or equal to
-eq    Equal to

namespace SharePointUpload {
    class Program {
        static void Main(string[] args) {
            ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback((a, b, c, d) => { return true; });
            WEB_REFERENCE_NAME.Imaging img = new WEB_REFERENCE_NAME.Imaging();
            img.UseDefaultCredentials = true;
            img.Url = "SHAREPOINT_SITE/_vti_bin/imaging.asmx";
            try {
                foreach (string filename in Directory.GetFiles("LOCAL_FOLDER")) {
                    img.Upload("PICTURE_LIBRARY_NAME", "PICTURE_FOLDER_IF_ANY", File.ReadAllBytes(filename), Path.GetFileName(filename), true);

namespace SharePointUpload {
    class Program {
        static void Main(string[] args) {
            ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback((a, b, c, d) => { return true; });
            WEB_REFERENCE_NAME.Imaging img = new WEB_REFERENCE_NAME.Imaging();
            img.UseDefaultCredentials = true;
            img.Url = "SHAREPOINT_SITE/_vti_bin/imaging.asmx";
            //img.up
            try {
                //var x = img.GetListItems("Implementation Team Photos", "");

<asp:Content ID="PageHead" ContentPlaceHolderID="PlaceHolderAdditionalPageHead" runat="server">
    <style type="text/css">
          .sys-template
          {
            display: none;
          }
    </style>
    
<script src="../Scripts/MicrosoftAjax/MicrosoftAjax.js" type="text/javascript"></script> 
<script src="../Scripts/MicrosoftAjax/MicrosoftAjaxDataContext.js" type="text/javascript"></script>